<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="./css/style.css">
    <title>左右互动</title>
</head>

<body>

    <div class="left">点我</div>
    <div class="right">点我</div>

    <script src="./js/main.js"></script>
</body>

</html>